diff options
Diffstat (limited to 'src/mainboard/google/eve/romstage.c')
-rw-r--r-- | src/mainboard/google/eve/romstage.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/google/eve/romstage.c b/src/mainboard/google/eve/romstage.c new file mode 100644 index 0000000000..4ae87fd4bb --- /dev/null +++ b/src/mainboard/google/eve/romstage.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Google Inc. + * Copyright (C) 2016 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <string.h> +#include <stddef.h> +#include <fsp/soc_binding.h> +#include <soc/romstage.h> +#include "spd/spd.h" + +void mainboard_memory_init_params(FSPM_UPD *mupd) +{ + FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig; + /* DQ byte map */ + const u8 dq_map[2][12] = { + { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 , + 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, + { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC, + 0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; + /* DQS CPU<>DRAM map */ + const u8 dqs_map[2][8] = { + { 1, 0, 2, 3, 4, 5, 6, 7 }, + { 1, 0, 4, 5, 3, 2, 7, 6 } }; + /* Rcomp resistor */ + const u16 rcomp_resistor[] = { 200, 81, 162 }; + /* Rcomp target */ + const u16 rcomp_target[] = { 100, 40, 40, 23, 40 }; + + memcpy(&mem_cfg->DqByteMapCh0, dq_map, sizeof(dq_map)); + memcpy(&mem_cfg->DqsMapCpu2DramCh0, dqs_map, sizeof(dqs_map)); + memcpy(&mem_cfg->RcompResistor, rcomp_resistor, sizeof(rcomp_resistor)); + memcpy(&mem_cfg->RcompTarget, rcomp_target, sizeof(rcomp_target)); + + mem_cfg->MemorySpdPtr00 = mainboard_get_spd_data(); + mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00; + mem_cfg->MemorySpdDataLen = SPD_LEN; +} |